Frontend | Day 13 | Weather App | Summary and Q&A

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October 4, 2022
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Frontend | Day 13 | Weather App

TL;DR

Learn how to build a weather app using the Open Weather API, including fetching current weather data, hourly forecasts, and displaying the information in a mobile-first design.

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Questions & Answers

Q: How can we fetch current weather data using the Open Weather API?

To fetch current weather data, we can use the API provided by Open Weather. We need to pass the latitude, longitude, and API key in the API call, and then convert the response to JSON format to access the required data fields such as temperature, description, and city name.

Q: How can we display the hourly forecast in the weather app?

The hourly forecast can be displayed by making an API call to the Open Weather API and retrieving the necessary data fields such as temperature, date, and description. We can then use JavaScript to dynamically generate HTML elements and populate them with the fetched data.

Q: How can we format the temperature in the weather app?

The temperature can be formatted using JavaScript by defining a function that accepts the temperature value and applies formatting, such as rounding to one decimal place and appending the degree symbol. The formatted temperature can then be displayed in the app.

Q: How can we design the weather app to be mobile-first?

To design the weather app in a mobile-first approach, we can use CSS media queries to adjust the layout and styling based on different screen sizes. The initial design should be optimized for smaller screens, and media queries can be used to add responsiveness for larger devices.

Q: How do we fetch the icon associated with the weather condition?

Each weather condition in the Open Weather API is associated with an icon code. To fetch the corresponding icon, we can create a function that generates the icon URL based on the code provided by the API. The generated URL can then be used as the source for an image element in the app.

Q: How can we make the hourly forecast sections horizontally scrollable?

To make the hourly forecast sections horizontally scrollable, we can use CSS properties such as "display: grid" and "grid-template-columns" to create a grid layout for the forecast cards. We can also set "overflow-x: auto" to allow horizontal scrolling within the container element.

Summary & Key Takeaways

  • Introduction to building a weather app using the Open Weather API.

  • Dividing the app into sections: current weather, hourly forecast, five-day forecast, "feels like", and humidity.

  • Exploring the API documentation and extracting the necessary data fields to display.

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